Skip to main content

Geometric optics

Is a green apple always green?

Is a green apple always green?

Hands-on Activities

What does light have to do with colour? Observe some colourful fruit under different conditions to learn why we see the colours we see!

How can you see underwater?

How can you see underwater?

Hands-on Activities

Explore how we see things through water.

How do movies move?

How do movies move?

Hands-on Activities

Explore the concept of persistence of vision in this hands on activity.

Colourful sunglasses

How Do We See Colour?

STEM Explained

How does the human eye see visible light as colour? And why do some people see more colours than others?

woman with camera

Eye vs. Camera

STEM Explained

The human eye lets us see the world by sending impulses to our nervous system. In many ways, it is very similar to other optical devices, including cameras.

Erin Secord | Restauratrice

Erin Secord

Career Profiles

Conservator

Erin Secord is a conservator for the Canada Science and Technology Museums Corporation.